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Samsung Galaxy A02s vs Samsung Galaxy A21 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.


Samsung Galaxy A02s	Samsung Galaxy A21
Released · Jan 04, 2021	Released · Jun 29, 2020
6.5-inch · 1600x720px	6.5-inch · 1600x720px
Triple camera	Quad camera
3GB · 32GB	3GB · 32GB
5000 mAh	4000 mAh
Check prices	Check prices

Design

Dimensions
6.46 x 2.99 x 0.36 inches 164.2 x 75.9 x 9.1 mm	6.61 x 3.02 x 0.32 inches 167.8 x 76.7 x 8.1 mm
Weight
6.91 oz (196.0 g)	6.81 oz (193.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Plastic Frame: Plastic
Biometrics
	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, White, Blue	Black

Display

Size
6.5-inch	6.5-inch
Resolution
1600x720px, 20:9 ratio, 270 PPI	1600x720px, 20:9 ratio, 270 PPI
Technology
IPS LCD	IPS LCD
Refresh rate
60Hz	60Hz
Screen-to-body
81.80 %	79.20 %
Features
Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 450 SDM450 (14 nm)	Mediatek Helio P35 MT6765 (12 nm)
Processor
Octa-core 8x 1.8GHz Cortex-A53	Octa-core 4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53
GPU
Adreno 506	PowerVR GE8320
RAM
3GB	3GB (LPDDR4)
Internal storage
32GB (eMMC 5.1), available to use: 20.5 GB	32GB (eMMC 5.1), available to use: 19.8 GB
Storage expansion
microSDXC up to 1024 GB	microSDXC up to 512 GB
OS
Android (12, 11, 10)	Android (10), Samsung One UI

Battery

Capacity
5000 mAh	4000 mAh
Type
Li - Polymer	Li - Polymer
Charging
Samsung Adaptive Fast Charging	Fast charging
Charge speed
Wired: 15.0W	Wired: 15.0W

Camera

Rear
Triple camera	Quad camera
Main camera
13 MP (Autofocus) Aperture size: F2.2	16 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3.06" Pixel size: 1 μm
Second camera
2 MP (Macro) Aperture size: F2.4	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
2 MP (Depth information) Aperture size: F2.4	2 MP (Macro) Aperture size: F2.4
Fourth camera
	2 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps)	1920x1080 (Full HD) (30 fps)
Front
5 MP	13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 b,g,n,802.1x Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 2.0
Hearing aid compatible
	M4/T3
Location
GPS, A-GPS, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer	Accelerometer, Gyroscope, Compass
Other
	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes

Regulatory Approval

FCC approval
Date approved: Feb 07, 2021 FCC ID value: ZCASMA025U	Date approved: Apr 17, 2020 FCC ID value: ZCASMA215U
Measured SAR
Head: 1.00 W/kg Body: 0.85 W/kg Simultaneous Transmission: 1.40 W/kg Wireless Router: 0.85 W/kg	Head: 0.42 W/kg Body: 1.27 W/kg Simultaneous Transmission: 1.27 W/kg Wireless Router: 1.27 W/kg

Buyers information

MSRP
	$ 250
In The Box
Power brick, USB Cable, Headphones, Sim Card extractor tool	This is the official Samsung Galaxy A21 User Guide in English provided from the manufacturer.

Availability

Officially announced
Nov 24, 2020	Apr 08, 2020

Alternative variants

with 64GB storage


RAM	4GB
Internal storage	64GB

for Verizon


4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)	Bands 38(2600), 40(2300), 41(2600+)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)

for Sprint


4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)	Bands 41(2600+)

Links

Full specifications
Samsung Galaxy A02s Specs	Samsung Galaxy A21 Specs
User Reviews
Samsung Galaxy A02s User Reviews	Samsung Galaxy A21 User Reviews